# Copyright 2022 Huawei Technologies Co., Ltd
#
# Licensed under the Apache License, Version 2.0 (the License);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import numpy as np


def random_select(input_path, data_num=12800, seed=42):
    np.random.seed(seed)
    with open(input_path, 'r') as f:
        input_data = f.readlines()

    input_data = list(filter(lambda p: p != "\n", input_data))
    np.random.shuffle(input_data)
    return input_data[:data_num]


if __name__ == '__main__':
    input_path = sys.argv[1]
    save_path = sys.argv[2]
    save_data = random_select(input_path)
    with open(save_path, 'w') as f:
        f.writelines(save_data)
